Update project authors statements to Dartino

pkg/fletchc/lib/incremental_backend.dart

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 library fletchc.incremental_backend;
 
 import 'package:compiler/src/elements/elements.dart' show
     Element,
     FieldElement,
     FunctionElement;
 
@@ skipping 38 matching lines @@
 }
 
 abstract class IncrementalFletchBackend implements IncrementalBackend {
   FletchSystemBuilder get systemBuilder;
 
   void newSystemBuilder(FletchSystem predecessorSystem);
 
   /// In Fletch, assembleProgram is incremental. In dart2js it isn't.
   int assembleProgram();
 }